Home / 1,070,615.28-1,606,069.80-621,546.96

Finding the Fourth Proportional to 1,070,615.28, 1,606,069.80 and 621,546.96

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Solution

The fourth proportional to 1,070,615.28, 1,606,069.80 and 621,546.96 is: 932,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,615.28 : 1,606,069.80 = 621,546.96 : x
  2. Step 2: Convert to fraction form
    1,070,615.28/1,606,069.80 = 621,546.96/x
  3. Step 3: Cross multiply
    1,070,615.28x = 1,606,069.80 × 621,546.96
  4. Step 4: Simplify right side
    1,070,615.28x = 998,247,801,737.81
  5. Step 5: Solve for x
    x = 998,247,801,737.81/1,070,615.28
  6. Step 6: Final answer
    x = 932,405.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.